<template>
    <div class="app-container">
        <mt-header fixed :title="appTit">
			<a  href="javascript:;" slot="left" v-show="isBack">
				<mt-button icon="back" @click="go">返回</mt-button>
			</a>
			</mt-header>
        <transition>
            <router-view  @changTit="changTit"></router-view>
        </transition>
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item1" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/shopcar">
				<span class="mui-icon mui-icon-contact"><span class="mui-badge" id="badge">{{this.$store.getters.getCarCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
       
    </div>
</template>

<script>
export default {
	data() {
		return {
		 isBack:false,
		 appTit:'豆腐崽VUE项目学习实践'
		}
	},
	methods: {
		go(){
			this.$router.go(-1)
		},
		changTit(bloo,str){
			this.isBack=bloo;
			this.appTit=str;
		},     
	},
	watch: {
		 '$route.path':function(newval,old){ //监听路由变化
			 if(newval == '/home'){
				 this.isBack=false;
				 this.appTit='豆腐崽VUE项目学习实践'
			 }

		 }
	 },
	created() {
	//console.log(this)
	},
}
</script>


<style lang="scss" scoped>
	*{touch-action: pan-y} //mui的坑
    .app-container{
        padding-top: 40px;
		padding-bottom: 50px;
		overflow-x: hidden; 
		overflow-y: scroll;
    }
	.v-enter{
		transform: translateX(100%)
	}
	.v-leave-to{
		transform: translateX(-100%);
		position: absolute;
	}
	.v-enter-active,.v-leave-active{
		transition: all 0.5s ease;
	}
	//mui的坑不改变样式 router-link点击不动。
	.mui-bar-tab .mui-tab-item1 {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item1 .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item1 .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
